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copy_block.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_COPY_BLOCK_H
20 #define AVCODEC_COPY_BLOCK_H
21 
22 #include <stdint.h>
23 
24 #include "libavutil/intreadwrite.h"
25 
26 static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
27 {
28  int i;
29  for(i=0; i<h; i++)
30  {
31  AV_COPY16U(dst, src);
32  dst+=dstStride;
33  src+=srcStride;
34  }
35 }
36 
37 static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
38 {
39  int i;
40  for (i = 0; i < h; i++) {
41  AV_COPY32U(dst, src);
42  dst += dstStride;
43  src += srcStride;
44  }
45 }
46 
47 static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
48 {
49  int i;
50  for (i = 0; i < h; i++) {
51  AV_COPY64U(dst, src);
52  dst += dstStride;
53  src += srcStride;
54  }
55 }
56 
57 static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
58 {
59  int i;
60  for (i = 0; i < h; i++) {
61  AV_COPY64U(dst, src);
62  dst[8] = src[8];
63  dst += dstStride;
64  src += srcStride;
65  }
66 }
67 
68 static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
69 {
70  int i;
71  for (i = 0; i < h; i++) {
72  AV_COPY128U(dst, src);
73  dst += dstStride;
74  src += srcStride;
75  }
76 }
77 
78 static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
79 {
80  int i;
81  for (i = 0; i < h; i++) {
82  AV_COPY128U(dst, src);
83  dst[16] = src[16];
84  dst += dstStride;
85  src += srcStride;
86  }
87 }
88 
89 #endif /* AVCODEC_COPY_BLOCK_H */
static void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:68
#define src
Definition: vp8dsp.c:254
static void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:26
static void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:57
uint8_t
#define AV_COPY128U(d, s)
Definition: intreadwrite.h:565
#define AV_COPY16U(d, s)
Definition: intreadwrite.h:553
#define AV_COPY64U(d, s)
Definition: intreadwrite.h:561
static void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:78
#define AV_COPY32U(d, s)
Definition: intreadwrite.h:557
static void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:37
static void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:47